Melinda Estes, MD. President and CEO of St. Luke's Health System (Kansas City, Mo.). Dr. Estes, a board-certified neurologist and neuropathologist, became president and CEO of St. Luke's Health System in 2011. She has an extensive background in healthcare leadership, most recently serving as president and CEO of Burlington, Vt.-based Fletcher Allen Health Care, where she focused on improving the hospital's financial health while expanding services and implementing an extensive strategic planning process. Dr. Estes also spent nearly two decades at Cleveland Clinic, where she held various leadership roles, including a two-year stint as CEO of Ft. Lauderdale-based Cleveland Clinic Florida.